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12950785 = 52590157
BaseRepresentation
bin110001011001…
…110100000001
3220100222010201
4301121310001
511303411120
61141325201
7215036251
oct61316401
926328121
1012950785
117346131
124406801
1328b59b3
141a11961
15120c40a
hexc59d01

12950785 has 4 divisors (see below), whose sum is σ = 15540948. Its totient is φ = 10360624.

The previous prime is 12950779. The next prime is 12950789. The reversal of 12950785 is 58705921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3538161 + 9412624 = 1881^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 12950785 - 211 = 12948737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12950789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295074 + ... + 1295083.

It is an arithmetic number, because the mean of its divisors is an integer number (3885237).

Almost surely, 212950785 is an apocalyptic number.

It is an amenable number.

12950785 is a deficient number, since it is larger than the sum of its proper divisors (2590163).

12950785 is an equidigital number, since it uses as much as digits as its factorization.

12950785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590162.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 12950785 is about 3598.7199113018. The cubic root of 12950785 is about 234.8363731939.

The spelling of 12950785 in words is "twelve million, nine hundred fifty thousand, seven hundred eighty-five".

Divisors: 1 5 2590157 12950785